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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ | 5 #ifndef CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |
6 #define CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ | 6 #define CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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28 void ShrinkBuffer(blink::WebArrayBuffer* buffer, unsigned new_size); | 28 void ShrinkBuffer(blink::WebArrayBuffer* buffer, unsigned new_size); |
29 | 29 |
30 // Creates a WebArrayBuffer from a uint8 byte array | 30 // Creates a WebArrayBuffer from a uint8 byte array |
31 blink::WebArrayBuffer CreateArrayBuffer(const uint8* data, unsigned data_size); | 31 blink::WebArrayBuffer CreateArrayBuffer(const uint8* data, unsigned data_size); |
32 | 32 |
33 // This function decodes unpadded 'base64url' encoded data, as described in | 33 // This function decodes unpadded 'base64url' encoded data, as described in |
34 // RFC4648 (http://www.ietf.org/rfc/rfc4648.txt) Section 5. | 34 // RFC4648 (http://www.ietf.org/rfc/rfc4648.txt) Section 5. |
35 // In Web Crypto, this type of encoding is only used inside JWK. | 35 // In Web Crypto, this type of encoding is only used inside JWK. |
36 bool Base64DecodeUrlSafe(const std::string& input, std::string* output); | 36 bool Base64DecodeUrlSafe(const std::string& input, std::string* output); |
37 | 37 |
| 38 CONTENT_EXPORT bool IsHashAlgorithm(blink::WebCryptoAlgorithmId alg_id); |
| 39 |
38 // Returns the "hash" param for an algorithm if it exists, otherwise returns | 40 // Returns the "hash" param for an algorithm if it exists, otherwise returns |
39 // a null algorithm. | 41 // a null algorithm. |
40 blink::WebCryptoAlgorithm GetInnerHashAlgorithm( | 42 blink::WebCryptoAlgorithm GetInnerHashAlgorithm( |
41 const blink::WebCryptoAlgorithm& algorithm); | 43 const blink::WebCryptoAlgorithm& algorithm); |
42 | 44 |
43 // Creates a WebCryptoAlgorithm without any parameters. | 45 // Creates a WebCryptoAlgorithm without any parameters. |
44 CONTENT_EXPORT blink::WebCryptoAlgorithm CreateAlgorithm( | 46 CONTENT_EXPORT blink::WebCryptoAlgorithm CreateAlgorithm( |
45 blink::WebCryptoAlgorithmId id); | 47 blink::WebCryptoAlgorithmId id); |
46 | 48 |
47 // Creates an HMAC algorithm whose inner hash algorithm is determined by the | 49 // Creates an HMAC algorithm whose inner hash algorithm is determined by the |
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85 uint8 tag_length_bytes); | 87 uint8 tag_length_bytes); |
86 | 88 |
87 // Returns the internal block size for SHA-* | 89 // Returns the internal block size for SHA-* |
88 unsigned int ShaBlockSizeBytes(blink::WebCryptoAlgorithmId hash_id); | 90 unsigned int ShaBlockSizeBytes(blink::WebCryptoAlgorithmId hash_id); |
89 | 91 |
90 } // namespace webcrypto | 92 } // namespace webcrypto |
91 | 93 |
92 } // namespace content | 94 } // namespace content |
93 | 95 |
94 #endif // CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ | 96 #endif // CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_UTIL_H_ |
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